Web Dev: HTML, CSS, JavaScript & React Redux Intermediate
The Programming in HTML, CSS, JavaScript, and React JS course by Koenig Original equips aspiring and junior front-end developers with essential skills to build modern, interactive web applications. It solves the critical industry gap where 93% of developers report needing stronger React and state management proficiency. With React developers earning up to $116,876 annually in the U.S., this course delivers hands-on mastery of client-side programming, DOM manipulation, and Redux integration for real-world readiness.
This Koenig Original course prepares learners for front-end certification success with 30-day lab access for immersive practice. Leveraging Guaranteed-to-Run schedules and official courseware, it ensures consistent, expert-led training. Graduates gain the confidence to build dynamic UIs and accelerate into high-demand roles as React or full-stack developers.
Training Formats & Pricing
100% Happiness Guarantee · Free Rescheduling · Secure Payment
Course Overview
The Programming in HTML, CSS, JavaScript, and React JS course by Koenig Original is a comprehensive 64-hour training program designed for aspiring web developers, front-end engineers, and full-stack developers seeking mastery in modern client-side technologies. This course covers foundational to advanced concepts including HTML document structure, CSS styling techniques, dynamic JavaScript functions, and modern React JS development for building interactive user interfaces. While no official certification exam is tied directly to this Koenig Original curriculum, the skills taught align with industry expectations for roles such as Front-End Developer, UI Engineer, and Web Application Developer. With over 94% of modern websites utilizing JavaScript and React powering major platforms like Facebook and Instagram, demand for these skills continues to grow across tech industries.
Students engage with key technologies including HTML5, CSS3, ECMAScript 6 (ES6), React JS, JSX, and Redux, using tools such as Create React App, Node.js, npm, and modern browser developer tools. The hands-on lab component is central to the learning experience, conducted within a live coding environment where students build functional web applications from scratch. Learners configure components, manage state with React Hooks and Context API, implement routing with React Router, and integrate with RESTful APIs using the Fetch API or Axios. One key real-world project involves developing a fully responsive single-page application (SPA) with dynamic data rendering, form handling, and client-side navigation, simulating actual production workflows used by leading software firms.
This course prepares learners for real-world development challenges and enhances employability in the high-growth web development field, where React developers command average salaries of $105,000 annually in the United States. As a Koenig Original program, it offers distinct advantages including Guaranteed-to-Run scheduling, 1-on-1 instructor support, and access to official courseware with practical labs. Graduates gain the confidence and portfolio-ready projects needed to pursue roles in top tech companies, ultimately positioning themselves for long-term success in the ever-evolving landscape of web development.
What You'll Learn
Prerequisites
- Basic knowledge of HTML document structure and tags, essential for creating well-structured web pages with the Programming in HTML, CSS, JavaScript, and React JS course by Koenig Original
- Familiarity with CSS syntax, including selectors, fonts, and colors, to style web pages effectively before advancing in the course
- Working understanding of JavaScript fundamentals such as variables, functions, and DOM manipulation, which are foundational for mastering React JS
- Experience with ES6+ JavaScript features like arrow functions, destructuring, and promises, necessary for modern web development in this program
- Knowledge of client-side web development concepts and browser developer tools to troubleshoot and optimize web applications
- Previous exposure to building interactive web pages using JavaScript, preparing learners for the comprehensive curriculum in Programming in HTML, CSS, JavaScript, and React JS
Certification Exam
Everything you need to know about the Web Dev: HTML, CSS, JavaScript & React Redux certification exam
What's Included in Your Training
Every enrollment comes packed with resources to maximise your learning and exam success
Exam Preparation Materials
Practice Test Questions (200+)
Certificate of Completion
Post-Training Support (30 days)
Session Recording Access
Free Rescheduling (7+ days notice)
Career Outcomes
of Web Dev: HTML, CSS, JavaScript & React Redux certified professionals report career advancement within 6 months
Salary Impact
Average salary increase reported after obtaining the Web Dev: HTML, CSS, JavaScript & React Redux certification
*Source: Glassdoor / LinkedIn 2025
Job Roles
- Frontend Developer
- React Developer
- Web Developer
- JavaScript Developer
- UI Developer
- Front-End Engineer
Companies Hiring
and 5,000+ organizations worldwide seeking Web Dev: HTML, CSS, JavaScript & React Redux certified professionals
Course Student Reviews
Real results from IT professionals who trained with Koenig — rated 4.9/5 from 18,400+ verified reviews.
-
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified -
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified
-
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified
-
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified
-
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified
Frequently Asked Questions
Everything you need to know about the Web Dev: HTML, CSS, JavaScript & React Redux training course
Is the certification exam included in the Programming in HTML, CSS, JavaScript, and React JS course fee, and what is the exam cost if separate?
What training formats are available for the Programming in HTML, CSS, JavaScript, and React JS course, and is there a Guaranteed-to-Run option?
How long is lab access provided, and what type of lab environment is used for the Programming in HTML, CSS, and React JS course?
What is Koenig's rescheduling and cancellation policy for the Programming in HTML, CSS, and React JS course?
What is the format, number of questions, passing score, and time limit for the Programming in HTML, CSS, and React JS certification exam?
How long is the Programming in HTML, CSS, JavaScript, and React JS certification valid, and what is the renewal process and cost?
What post-training support does Koenig provide after completing the Programming in HTML, CSS, and React JS course?
What are the prerequisites or prior experience needed for the Programming in HTML, CSS, and React JS course?
What are the career opportunities and salary impact for professionals certified in Programming in HTML, CSS, JavaScript, and React JS?
How does the Programming in HTML, CSS, JavaScript, and React JS course compare to self-study in terms of effectiveness and time investment?
Still have questions?
Chat with a Training Advisor →Resources
Learn more about Web Dev: HTML, CSS, JavaScript & React Redux before you enroll
What You’ll Learn in a Web Development Training Course
As the digital world continues to expand, the demand for skilled web developers is stronger than ever. Whether it’s building sleek e-commerc…
Read GuideTop 10 Skills You’ll Gain from Web Programming Training
The internet isn’t just the world’s greatest communication tool—it’s also a global marketplace, a knowledge hub, and a developer’s playgroun…
Read ArticleTop Skills You’ll Learn in a Web Scraping Training
In today’s data-driven world, the ability to collect structured information from unstructured sources is gold. Whether you’re a budding data…
Read ArticleHappiness Guarantee
We are so confident in the quality of our training that we offer a full money-back guarantee. Not satisfied? Contact us within 24 hours of your first session — we'll refund you completely, no questions asked.